<template>
  <div class="departments-container">
    <div class="app-container">
      <el-card v-loading="loading" class="tree-card">
        <!-- 用了一个行列布局 -->
        <tree-tools :node-data="company" :is-root="true" @add-depts="handleAddDepts" />
        <el-tree
          :data="data"
          :props="defaultProps"
          :default-expand-all="true"
        >
          <!-- 用了一个行列布局 -->
          <template #default="{ data }">
            <tree-tools :node-data="data" @del-depts="getDepartments" @add-depts="handleAddDepts" @edit-depts="handleEditDepts" />
          </template>
        </el-tree>
      </el-card>
    </div>
    <add-dept
      ref="addDeptDialog"
      :dialog-visible.sync="dialogVisible"
      :depts="depts"
      :node-date="nodeData"
      @add-depts="getDepartments"
    />
    <!-- @close-dialog="closeDialog"  -->
  </div>
</template>

<script>
import { reqGetDepartments } from '@/api/departments'
import treeTools from './components/tree-tools.vue'
import { listToTreeDate } from '@/utils'
import AddDept from './components/add-dept.vue'
export default {
  components: { treeTools, AddDept },
  data() {
    return {
      dialogVisible: false,
      company: { },
      data: [],
      defaultProps: {
        children: 'children',
        label: 'name'
      },
      nodeData: {},
      depts: [],
      loading: false // 用来控制进度弹层的显示和隐藏
    }
  },
  created() {
    this.getDepartments()
  },
  methods: {
    handleAddDepts(nodeData) {
      this.dialogVisible = true
      this.nodeData = nodeData
    },
    handleEditDepts(nodeData) {
      // console.log(this.nodeData)
      this.nodeData = nodeData
      this.dialogVisible = true
      this.$refs.addDeptDialog.getDepartDetail(this.nodeData.id)
      // this.$refs.addDeptDialog.getDepartDetail(this.nodeData.id)
    },
    async getDepartments() {
      this.loading = true
      const { data } = await reqGetDepartments()
      console.log(data)
      this.company = {
        name: data.companyName,
        manager: '负责人',
        id: ''
      }
      this.data = listToTreeDate(data.depts, '')
      this.depts = data.depts
      this.loading = false
    }
  }

}
</script>

<style scoped lang="scss">
.tree-card {
  padding: 30px 30px;
  font-size: 14px;
}
.el-tree {
  ::v-deep {
    // 小三角的样式, 去掉默认的小三角的旋转效果
    .el-tree-node__expand-icon.expanded {
      -webkit-transform: rotate(0deg);
      transform: rotate(0deg);
    }
    // 有子节点 且未展开 +
    .el-icon-caret-right:before {
      background: url("~@/assets/common/add-circle.png") no-repeat 0 0;
      content: '';
      display: block;
      width: 16px;
      height: 16px;
      font-size: 16px;
      background-size: 16px;
    }
    // 有子节点 且已展开 -
    .el-tree-node__expand-icon.expanded.el-icon-caret-right:before{
      background: url("~@/assets/common/minus-circle.png") no-repeat 0 0;
      content: '';
      display: block;
      width: 16px;
      height: 16px;
      font-size: 16px;
      background-size: 16px;
    }
    // 没有子节点
    .el-tree-node__expand-icon.is-leaf::before  {
      background: url("~@/assets/common/user-filling.png") no-repeat 0 0;
      content: '';
      display: block;
      width: 16px;
      height: 16px;
      font-size: 16px;
      background-size: 16px;
    }
  }
}
</style>
